WO2021172101A1 - 長尺物保護案内装置 - Google Patents

長尺物保護案内装置 Download PDF

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Publication number
WO2021172101A1
WO2021172101A1 PCT/JP2021/005723 JP2021005723W WO2021172101A1 WO 2021172101 A1 WO2021172101 A1 WO 2021172101A1 JP 2021005723 W JP2021005723 W JP 2021005723W WO 2021172101 A1 WO2021172101 A1 WO 2021172101A1
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WO
WIPO (PCT)
Prior art keywords
link
curved
curved groove
groove portion
connecting shaft
Prior art date
Application number
PCT/JP2021/005723
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
惠子 忍
Original Assignee
株式会社椿本チエイン
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社椿本チエイン filed Critical 株式会社椿本チエイン
Priority to DE112021001312.2T priority Critical patent/DE112021001312T5/de
Priority to CN202180016360.9A priority patent/CN115136431A/zh
Priority to KR1020227028543A priority patent/KR102712406B1/ko
Publication of WO2021172101A1 publication Critical patent/WO2021172101A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G13/00—Chains
    • F16G13/12—Hauling- or hoisting-chains so called ornamental chains
    • F16G13/16—Hauling- or hoisting-chains so called ornamental chains with arrangements for holding electric cables, hoses, or the like
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/006—Arrangements of electric cables or lines between relatively-movable parts using extensible carrier for the cable, e.g. self-coiling spring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs

Definitions

  • the present disclosure relates to a long object protection guide device that guides a long object while protecting it in accordance with the movement of a moving body in a machine tool or the like.
  • Long objects include flexible cables, hoses, etc. that supply power and liquid to the moving body.
  • the long object protection guidance device described in Patent Document 1 includes a long protection guide and a guide rail that moves back and forth while guiding the protection guide.
  • the protection guide has a storage space that can accommodate a long object in an extended state.
  • the guide rail reciprocates the first end of the protection guide portion in the length direction along one direction while displaces the curved portion formed in the middle of the protection guide portion in the length direction.
  • the guide rail is provided with a guide groove having a pair of straight groove portions and a curved groove portion.
  • the pair of straight groove portions extend in parallel along one direction in which the first end of the protection guide portion moves back and forth.
  • the curved groove portion connects the opposite ends of one straight groove portion and the other straight groove portion in a U shape.
  • the protection guide portion has a plurality of links arranged in series, and is configured by rotatably connecting the ends of adjacent links.
  • Each link comprises an arm and an engaging portion. When the arm moves along the curved groove portion of the guide groove, the arm is in a posture extending from the outer peripheral side to the inner peripheral side of the curved groove portion.
  • the engaging portion includes a roller or the like provided at the tip of the arm so as to be engaged with the guide groove.
  • a moving body that reciprocates in a machine tool or the like is connected to the first end of the protection guide unit.
  • the engaging portion is guided so as to move along the straight groove portion and the curved groove portion of the guide groove.
  • the radius of curvature of the curved groove portion in the guide groove may be reduced.
  • the engaging portions of the two links adjacent to each other in the curved portion among the plurality of links constituting the protection guide portion will move in the curved groove portion with each other in the curved groove portion. Collide. As a result, there is a risk of causing malfunction of the device.
  • An object of the present disclosure is to provide a long object protection guide device capable of making the device compact without causing a malfunction of the device.
  • the long object protection guide device has a plurality of links arranged in series and a connecting shaft for rotatably connecting adjacent links in the arrangement direction of the links. It is provided with a long protective guide portion that forms an accommodating space in which a long object is extended, and a guide member that is configured to reciprocate while guiding the protective guide portion.
  • the guide member reciprocates the first end in the length direction of the protection guide portion along one direction while displaces the curved portion formed by bending the middle of the protection guide portion in the length direction.
  • the guide member is provided with a guide groove, and the guide groove has a straight groove portion extending along the one direction and a curved groove portion connected to an end portion of the straight groove portion.
  • the link is configured to move along the curved groove portion at a position radially outside the curved groove portion when viewed from the center of curvature of the curved groove portion, and when moving along the curved groove portion.
  • An arm extending from the link body so as to extend in a direction intersecting the curved groove portion, and an engaging portion provided at the tip end portion of the arm so as to engage with the guide groove are provided.
  • the connecting shaft includes a first connecting shaft located on the first side of each link body in the arrangement direction and a second connecting shaft located on the second side of each link body in the arrangement direction.
  • the engaging portion is located in the arrangement direction in a biased manner toward the first side or the second side of each link body than the intermediate position between the first connecting shaft and the second connecting shaft.
  • the moving direction of the link is changed from the direction along the straight groove to the curved groove as compared with the case where the engaging portion of the link is located at the intermediate position between the first connecting shaft and the second connecting shaft. It is possible to reduce the possibility that the engaging portion of the preceding link and the engaging portion of the succeeding link collide with each other in the curved groove portion when the direction is changed.
  • the arm may extend from the link body in a direction diagonally intersecting the straight line connecting the first connecting shaft and the second connecting shaft.
  • the first connecting shaft and the second connecting shaft are different from the case where the engaging portion is provided at the tip of the arm extending in the direction orthogonal to the straight line connecting the first connecting shaft and the second connecting shaft.
  • the device can be easily made compact in the direction orthogonal to the straight line connecting the two connecting axes.
  • the arm may have a recess configured to allow a part of the engaging portion of the other arm adjacent to the arm in the arrangement direction to enter.
  • the link main body connects a plurality of link plates arranged at a distance in a width direction orthogonal to the length direction, and the plurality of link plates are connected to each other and the accommodation space.
  • the surface of the connecting portion facing at least the accommodation space may be an arc surface curved along the outer peripheral shape of the curved groove portion.
  • the link main body has a plurality of link plates facing each other at a distance in a width direction orthogonal to the length direction, and the link plate is in the moving direction of the link main body. It has an inner peripheral side end face and an outer peripheral side end face extending along the same direction, and the inner peripheral side end face is closer to the center of curvature of the curved groove portion than the outer peripheral side end face when the link body moves along the curved groove portion.
  • the end surface on the inner peripheral side may be an arc surface curved along the outer peripheral shape of the curved groove portion by moving the position.
  • the radius of curvature of the movement locus when the link body moves along the curved groove can be reduced as compared with the case where the inner peripheral side end face of the end faces of the link plate is flat. As a result, it is possible to contribute to the compactification of the long object protection guide device.
  • the engaging portion is outside the triangular region connecting the center of curvature of the curved groove portion, the center of the first connecting shaft, and the center of the second connecting shaft. It may have a located center.
  • the exploded perspective view of the link constituting the protection guide part of the long object protection guide device of FIG. A side view showing a part of the long object protection guide device of FIG. 1 in an enlarged manner.
  • FIG. 5 is a side view showing a simplified positional relationship of engaging portions in links constituting the protection guide portion of the long object protection guide device of FIG. 1.
  • the side view which shows a part of the long object protection guide device of the comparative example.
  • the long object protection guide device 11 includes a long protection guide portion 12 that moves along the length direction X, and a guide member 13 that guides the protection guide portion 12. I have.
  • the protection guide portion 12 is arranged in a bent state so that a curved portion W is formed in the middle of the length direction X.
  • the guide member 13 reciprocates the first end of the protection guide portion 12 in the length direction X along one direction while displaces the curved portion W of the protection guide portion 12. At this time, the guide member 13 reciprocates while guiding the protection guide portion 12.
  • the protection guide unit 12 has a plurality of links 14 arranged in series.
  • the protection guide portion 12 is formed to be long by rotatably connecting the ends of both links 14 adjacent to each other in the arrangement direction of the links 14 by a connecting shaft 15.
  • the protection guide portion 12 has a storage space SK inside which can accommodate the long object TK in an extended state.
  • the first end of the protection guide portion 12 is connected to a moving body (not shown) of a machine tool or the like via a connector 16. As a result, the first end of the protection guide portion 12 reciprocates in one direction together with the moving body.
  • the second end of the protection guide portion 12 in the length direction X is immovably fixed to a predetermined position of the apparatus main body via the fixture 17.
  • the guide member 13 is composed of a pair of rectangular plate members.
  • the pair of plate members are separated from each other and face each other in the width direction Y orthogonal to the one direction in which the first end of the protection guide portion 12 reciprocates in the horizontal plane.
  • Through holes 18 are formed at a plurality of locations in the longitudinal direction of the guide member 13.
  • the fitting convex portions 20 formed at both ends of the connecting block 19 are fitted to the through holes 18 of both guide members 13 paired in the width direction Y, so that the pair of guide members 13 has a width. It is assembled so as to face each other at a predetermined distance in the direction Y.
  • a guide groove 21 is formed on the inner surface side of the pair of guide members 13 facing each other.
  • the guide groove 21 has a pair of straight groove portions 21a and 21b, and a curved groove portion 21c that connects the ends of the straight groove portions 21a and 21b in a U shape.
  • the straight groove portions 21a and 21b extend in parallel along one direction in which the first end of the protection guide portion 12 reciprocates.
  • the upper straight groove portion 21a and the lower straight groove portion 21b are separated by a predetermined distance in the height direction Z orthogonal to both the length direction X and the width direction Y.
  • the curved groove portion 21c of the guide groove 21 connects the ends of the straight groove portions 21a and 21b in the longitudinal direction, that is, the ends of the protection guide portion 12 on the side where the curved portion W is located.
  • the long object TK examples include an electric cable and an optical fiber cable for supplying power and transmitting a signal to a moving body (not shown) in a machine tool, and a gas (for example, air) or liquid (for example, water or oil) for the moving body. Etc.), or a long, articulated member that can be flexibly bent. That is, the long object TK is a member that can be accommodated in the accommodation space SK of the protection guide portion 12 in a state of being extended along the length direction X of the protection guide portion 12, and has flexibility. Any long member may be used.
  • the link 14 is formed of, for example, a synthetic resin material.
  • the link 14 includes a link body 24.
  • the link main body 24 includes a pair of link plates 22 facing each other in the width direction Y, and a plate-shaped connecting portion 23.
  • the connecting portion 23 connects both link plates 22 at a position between the length direction X and the lower end in the height direction Z in FIG.
  • the link main body 24 is outside the curved groove portion 21c when viewed from the curvature center C of the curved groove portion 21c. The position is moved along the curved groove portion 21c.
  • FIG. 2 shows that the protection guide portion 12 is guided by the guide member 13 and moves in the length direction X.
  • rod-shaped mounting portions 25 along the length direction X are formed at positions intermediate between the length directions X and at the upper end of the height direction Z in both link plates 22. ing. Then, both end portions of the strip-shaped connecting member 26 along the width direction Y are detachably attached to both attachment portions 25 forming a pair in the width direction Y. As a result, the connecting member 26 connects the upper ends of both link plates 22 to each other in the mounted state.
  • the connecting portion 23 is curved when the corresponding link 14 forms a part of the curved portion W in the protection guide portion 12 as the protection guide portion 12 moves. It is located on the inner peripheral side of the portion W, that is, on the inner side in the radial direction. At this time, the connecting portion 23 constitutes a curved bottom wall of the accommodation space SK.
  • the cross-sectional shape of the connecting portion 23 orthogonal to the Y direction is an arc shape that follows the curved shape of the curved portion W.
  • at least the surface of the connecting portion 23 facing the accommodation space SK is an arc surface along the outer peripheral shape of the curved groove portion 21c.
  • the bottom surface shape of the curved accommodation space SK formed by the curved portion W is a smooth arc surface shape.
  • the link plate 22 is a plate material having a longitudinal direction that coincides with the length direction X of the protection guide portion 12.
  • an outer stepped surface portion 27 that halves the plate thickness in the width direction Y is formed.
  • the shape of the outer stepped surface portion 27 is a circular shape when viewed from the width direction Y.
  • an arc surface 28 extending along the peripheral edge of the outer stepped surface portion 27 is formed on the outer surface on the first side in the longitudinal direction of the link plate 22.
  • the arcuate surface 28 is a concave surface.
  • the connecting shaft 15 for rotatably connecting the ends of the links 14 adjacent to each other in the arrangement direction is formed.
  • the connecting shaft 15 is a substantially columnar convex portion.
  • the guide member 13 arranged on the front side in the depth direction of FIG. 4 of the pair of guide members 13 is not shown.
  • an inner stepped surface portion 29 that halves the plate thickness in the width direction Y is formed on the inner side surface of the link plate 22 on the second side in the longitudinal direction.
  • the shape of the inner stepped surface portion 29 is a circular shape when viewed from the width direction Y.
  • an arc surface 30 extending along the peripheral edge of the inner stepped surface portion 29 is formed on the inner surface of the link plate 22 on the second side in the longitudinal direction.
  • the arcuate surface 30 is a concave surface.
  • the longitudinal direction of the link plate 22 is also the moving direction of the link main body 24 when the protection guide portion 12 reciprocates.
  • the link plate 22 has a pair of end faces extending along the longitudinal direction of the link plate 22, that is, an inner peripheral side end face 22a and an outer peripheral side end face.
  • the inner peripheral side end surface 22a is an arc surface curved along the outer peripheral shape of the curved groove portion 21c.
  • the first stopper surface 32 is formed at a position directly above the top of the outer stepped surface portion 27 in the height direction Z.
  • the first stopper surface 32 is formed along a virtual plane including the axis of the connecting shaft 15 and the top of the outer stepped surface portion 27.
  • a second stopper surface 33 is formed on the second end surface of the link plate 22 in the longitudinal direction at a position directly above the top of the inner step surface portion 29 in the height direction Z.
  • the second stopper surface 33 is formed along a virtual plane including the axis of the through hole 31 and the top of the inner stepped surface portion 29.
  • the first stopper surface 32 of each link plate 22 is adjacent to the second stopper of another link plate 22. It abuts on the surface 33. As a result, the first stopper surface 32 and the second stopper surface 33 bring the protection guide portion 12 into a straight line posture along one direction.
  • the first stopper surface 32 of each link plate 22 is connected to the connecting shaft 15 from the second stopper surface 33 of another adjacent link plate 22. Separated in the circumferential direction of. As a result, the first stopper surface 32 and the second stopper surface 33 bring the protection guide portion 12 into a curved and curved posture.
  • the link 14 includes a pair of arms 34 extending from the connecting portion 23.
  • the pair of arms 34 face each other in the width direction Y inside the pair of link plates 22.
  • the pair of arms 34 extend from the connecting portion 23 so as to extend from the link main body 24 in a direction intersecting the curved groove portion 21c when moving along the curved groove portion 21c.
  • the connecting shaft 15 located on the first side of each link main body 24 in the arrangement direction of the link 14 is set as the first connecting shaft, and the connecting shaft 15 located on the second side of each link main body 24 in the arrangement direction of the link 14 is the second connecting shaft 15. Use as a connecting axis.
  • each link 14 extends from the link main body 24 in a direction diagonally intersecting the straight line L connecting the first connecting shaft 15 and the second connecting shaft 15.
  • a roller 35 configured to engage with the guide groove 21 is rotatably provided at the tip of the arm 34 as an example of the engaging portion.
  • the diameter of the roller 35 is slightly smaller than the groove width of the guide groove 21.
  • a recess 36 is formed so that a part of the roller 35 and a part of the arm 34 in the other links 14 adjacent to each other in the arrangement direction can enter from the side.
  • the roller 35 of each link 14 is located at an intermediate position between the first connecting shaft 15 and the second connecting shaft 15 (or through hole 31) in the arrangement direction of the links 14. It is located biased toward the first side or the second side of the link main body 24 with respect to the CP.
  • the left side of the link main body 24 is the first side
  • the right side of the link main body 24 is the second side.
  • the roller 35 is biased to the second side of the link main body 24.
  • the roller 35 is located outside the triangular region A connecting the three points of the center of curvature C of the curved groove portion 21c, the center of the first connecting shaft 15, and the center of the second connecting shaft 15.
  • the long object protection guide device 11 when the first end of the protection guide portion 12 reciprocates in the length direction X together with a moving body such as a machine tool, the second end of the protection guide portion 12 is made immovable. Therefore, the protection guide portion 12 is reciprocated in the length direction X while the curved portion W of the protection guide portion 12 is displaced. For example, the long object protection guide device 11 moves the first end of the protection guide portion 12 so that the protection guide portion 12 and the guide member 13 move from the position shown in FIG. 1 to the position shown in FIG.
  • the first end of the protection guide portion 12 when the first end of the protection guide portion 12 is located near the curved groove portion 21c, the first end of the protection guide portion 12 is at the reverse reverse limit position. At the reverse travel limit position, the movement of the first end of the protection guide portion 12 in the direction closer to the curved groove portion 21c is restricted.
  • the first end of the protection guide portion 12 when the first end of the protection guide portion 12 is located at the position farthest from the curved groove portion 21c, the first end of the protection guide portion 12 is at the forward limit position. At the forward limit position, the first end of the protection guide portion 12 is further restricted from moving in the direction away from the curved groove portion 21c. That is, the long object protection guide device 11 reciprocates the protection guide unit 12 between the forward limit position shown in FIG. 1 and the reverse limit position shown in FIG.
  • the long object TK accommodated in the accommodation space SK of the protection guide unit 12 is protected by the protection guide unit 12. While being guided in the moving direction and the displacement direction.
  • a plurality of links 14 connected in series are straight lines along the straight groove portions 21a and 21b of the guide groove 21 as the curved portion W of the protection guide portion 12 reciprocates. It is repeatedly rotated between the posture and the curved posture along the curved groove portion 21c.
  • each roller 35 of the plurality of links 14 rolls along the guide groove 21 of the guide member 13.
  • a plurality of rollers 35 located in the upper straight groove portion 21a of the guide groove 21 move from the upper straight groove portion 21a to the curved groove portion. It moves while sequentially rolling to the lower straight groove portion 21b via 21c.
  • each roller 35 presses the inner surface (concave surface) on the outer peripheral side of the curved groove portion 21c. The pressing force of each roller 35 at this time causes the guide member 13 to move toward the reverse travel limit position. That is, the guide member 13 moves to the reverse limit position as the protection guide portion 12 moves to the reverse limit position.
  • each roller 35 presses the inner surface (convex surface) on the inner peripheral side of the curved groove portion 21c.
  • the pressing force of each roller 35 at this time causes the guide member 13 to move toward the forward limit position. That is, the guide member 13 moves to the forward limit position as the protection guide portion 12 moves to the forward limit position.
  • the curved groove portion 21c is moved from the direction along the straight groove portions 21a and 21b among the plurality of links 14.
  • the link 14 which changes in the direction along the above and forms a part of the curved portion W, the following phenomenon occurs. That is, at the link 14, the roller 35 is restricted from being displaced in a direction other than the direction along the curved groove portion 21c that is currently engaged.
  • the connecting shaft 15 that rotatably connects the adjacent link main bodies 24 in the moving direction of the link 14 is not engaged with the curved groove portion 21c, displacement in a direction other than the direction along the curved groove portion 21c is allowed. Will be done.
  • both the rear and front connecting shafts 15 of the link 14 that have moved from the upper straight groove 21a to the curved groove 21c are the connecting shafts 15A and 15B.
  • One of the connecting shafts 15A and 15B corresponds to the first connecting shaft, and the other corresponds to the second connecting shaft.
  • the rear connecting shaft 15A is pushed by another link 14 that follows and is slightly displaced in the direction intersecting the curved groove portion 21c and in the direction away from the curvature center C of the curved groove portion 21c. .. That is, the rear connecting shaft 15A is slightly displaced in the direction indicated by the thick arrow D1 in FIGS. 6 and 7.
  • the connecting shaft 15B on the front side intersects the curved groove portion 21c and is slightly displaced in the direction approaching the curvature center C of the curved groove portion 21c. That is, the front connecting shaft 15B is slightly displaced in the direction indicated by the thick arrow D2 in FIGS. 6 and 7.
  • the link 14 in which the moving direction changes from the direction along the upper straight groove portion 21a to the direction along the curved groove portion 21c to form the curved portion W is referred to as a directional displacement link 14.
  • the link main body 24 of the directional displacement link 14 is displaced in the direction in which the rear portion in the moving direction intersects the curved groove portion 21c and outward of the curved groove portion 21c.
  • the link main body 24 of the directional displacement link 14 is displaced in the direction in which the front portion in the moving direction intersects the curved groove portion 21c and inward of the curved groove portion 21c.
  • the posture of the directional displacement link 14 is tilted because the rear portion and the front portion of the link body 24 in the moving direction are displaced in opposite directions.
  • the roller 35 at the link 14 having such a directional displacement is slightly displaced in the curved groove portion 21c in a direction approaching the roller 35 of the subsequent link 14. That is, the roller 35 at the directional displacement link 14 is slightly displaced along the curved groove portion 21c in the direction indicated by the thick arrow D3 in FIGS. 6 and 7.
  • FIG. 8 shows a comparative example in which the roller 35 of the link 14 is located at the intermediate position CP between the first connecting shaft 15 and the second connecting shaft 15.
  • the roller 35B of the preceding link 14 is displaced in the curved groove portion 21c in a direction approaching the roller 35A of the succeeding link 14 by tilting due to directional displacement.
  • the roller 35B collides with the roller 35A of the subsequent link 14, and the movement of the roller 35B is stopped, which may lead to a malfunction of the device.
  • the position of the roller 35 of the link 14 is the front side or the rear side from the intermediate position CP of the pair of connecting shafts 15 located on the front side and the rear side in the moving direction. It is biased to. Therefore, even when the roller 35 of the link 14 preceding the curved groove 21c is slightly displaced in the curved groove 21c in the direction approaching the roller 35 of the subsequent link 14, the roller 35 of the preceding link 14 and the subsequent link 14 The risk of collision with the rollers 35 of the above is reduced.
  • the moving direction of the link 14 is from the straight groove portions 21a and 21b to the curved groove portion 21c. It is possible to reduce the possibility that the roller 35 of the preceding link 14 and the roller 35 of the succeeding link 14 collide with each other in the curved groove portion 21c when the direction changes along the above.
  • the center of the roller 35 is a triangular region A connecting three points of the curvature center C of the curved groove portion 21c, the center of the first connecting shaft 15, and the center of the second connecting shaft 15. It is located on the outside of. Therefore, when the moving direction of the link 14 changes from the direction along the straight groove portions 21a and 21b to the direction along the curved groove portion 21c, the roller 35 of the preceding link 14 and the roller 35 of the succeeding link 14 in the curved groove portion 21c The risk of collision can be further reduced.
  • the engaging portion of the link 14 is a roller 35 rotatably provided at the tip of the arm 34, provided that it can be moved by engaging with the straight groove portions 21a and 21b and the curved groove portion 21c of the guide groove 21.
  • a roller 35 rotatably provided at the tip of the arm 34, provided that it can be moved by engaging with the straight groove portions 21a and 21b and the curved groove portion 21c of the guide groove 21.
  • a sphere or a cylinder whose surface can smoothly contact the guide groove 21 may be integrally formed at the tip of the arm 34.
  • the center of the roller 35 of the link 14 is outside the triangular region A connecting the three points of the curvature center C of the curved groove portion 21c, the center of the first connecting shaft 15, and the center of the second connecting shaft 15. It does not have to be located in.
  • the center of the roller 35 may be located on the side connecting the center of curvature C of the curved groove portion 21c in FIG. 7 and the center of the second connecting shaft 15.
  • the area It may be located inside A.
  • the connecting portion 23 does not have to have an arc shape in which the overall cross-sectional shape follows the curved shape of the curved portion W. That is, the connecting portion 23 may be an arc surface whose surface facing at least the accommodation space SK is curved along the outer peripheral shape of the curved groove portion 21c in the guide groove 21.
  • the connecting portion 23 may be integrally molded with the pair of link plates 22 or may be fixed to the pair of link plates 22. Further, at least one end and the other end of the connecting portion 23 in the length direction may be attached to and detached from the corresponding link plate 22.
  • the connecting member 26 connects the upper ends of both link plates 22 to each other by attaching both ends to the mounting portions 25 provided at the upper ends of the pair of link plates 22 in the link 14.
  • the connecting member 26 has one end in the length direction detachable from the corresponding link plate 22 and the other end in the length direction with respect to the corresponding link plate 22. It may be a fixed configuration.
  • the connecting member 26 may be integrally molded with the pair of link plates 22, or both ends of the connecting member 26 may be fixed to the upper ends of the pair of link plates 22.
  • the recess 36 does not necessarily have to be formed on the side side of the oblique arm 34.
  • the arm 34 has a roller 35, which is an engaging portion provided at the tip thereof, on the first side or the second side of the link main body 24 with respect to the intermediate position CP between the first connecting shaft 15 and the second connecting shaft 15. If the position is biased to, it does not necessarily have to extend obliquely from the link body 24.

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  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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  • Electric Cable Arrangement Between Relatively Moving Parts (AREA)
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PCT/JP2021/005723 2020-02-28 2021-02-16 長尺物保護案内装置 WO2021172101A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112021001312.2T DE112021001312T5 (de) 2020-02-28 2021-02-16 Schützende führungsvorrichutng für ein langes objekt
CN202180016360.9A CN115136431A (zh) 2020-02-28 2021-02-16 长条物保护导引装置
KR1020227028543A KR102712406B1 (ko) 2020-02-28 2021-02-16 긴 물체 보호 안내 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-032938 2020-02-28
JP2020032938A JP6897817B1 (ja) 2020-02-28 2020-02-28 ケーブル類保護案内装置

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WO2021172101A1 true WO2021172101A1 (ja) 2021-09-02

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PCT/JP2021/005723 WO2021172101A1 (ja) 2020-02-28 2021-02-16 長尺物保護案内装置

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JP (1) JP6897817B1 (zh)
KR (1) KR102712406B1 (zh)
CN (1) CN115136431A (zh)
DE (1) DE112021001312T5 (zh)
TW (1) TWI782427B (zh)
WO (1) WO2021172101A1 (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017089848A (ja) * 2015-11-16 2017-05-25 株式会社椿本チエイン ケーブル類保護案内装置及びガイドレール
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JP2021136812A (ja) 2021-09-13
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